> -----Original Message----- > From: Wu, Hao <hao.wu@xxxxxxxxx> > Sent: Thursday, March 17, 2022 8:42 AM > To: Zhang, Tianfei <tianfei.zhang@xxxxxxxxx>; Weight, Russell H > <russell.h.weight@xxxxxxxxx>; trix@xxxxxxxxxx; mdf@xxxxxxxxxx; linux- > fpga@xxxxxxxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx > Cc: Xu, Yilun <yilun.xu@xxxxxxxxx>; Matthew Gerlach > <matthew.gerlach@xxxxxxxxxxxxxxx> > Subject: RE: [PATCH v1] uio: dfl: add HSSI feature id > > > > -----Original Message----- > > > From: Wu, Hao <hao.wu@xxxxxxxxx> > > > Sent: Tuesday, March 15, 2022 5:32 PM > > > To: Zhang, Tianfei <tianfei.zhang@xxxxxxxxx>; Weight, Russell H > > > <russell.h.weight@xxxxxxxxx>; trix@xxxxxxxxxx; mdf@xxxxxxxxxx; > > > linux- fpga@xxxxxxxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx > > > Cc: Xu, Yilun <yilun.xu@xxxxxxxxx>; Matthew Gerlach > > > <matthew.gerlach@xxxxxxxxxxxxxxx> > > > Subject: RE: [PATCH v1] uio: dfl: add HSSI feature id > > > > > > > > -----Original Message----- > > > > > From: Wu, Hao <hao.wu@xxxxxxxxx> > > > > > Sent: Monday, March 14, 2022 11:09 AM > > > > > To: Zhang, Tianfei <tianfei.zhang@xxxxxxxxx>; Weight, Russell H > > > > > <russell.h.weight@xxxxxxxxx>; trix@xxxxxxxxxx; mdf@xxxxxxxxxx; > > > > > linux- fpga@xxxxxxxxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx > > > > > Cc: Xu, Yilun <yilun.xu@xxxxxxxxx>; Matthew Gerlach > > > > > <matthew.gerlach@xxxxxxxxxxxxxxx> > > > > > Subject: RE: [PATCH v1] uio: dfl: add HSSI feature id > > > > > > > > > > > > -----Original Message----- > > > > > > > From: Wu, Hao <hao.wu@xxxxxxxxx> > > > > > > > Sent: Friday, March 11, 2022 10:47 AM > > > > > > > To: Weight, Russell H <russell.h.weight@xxxxxxxxx>; Zhang, > > > > > > > Tianfei <tianfei.zhang@xxxxxxxxx>; trix@xxxxxxxxxx; > > > > > > > mdf@xxxxxxxxxx; linux- fpga@xxxxxxxxxxxxxxx; > > > > > > > gregkh@xxxxxxxxxxxxxxxxxxx > > > > > > > Cc: Xu, Yilun <yilun.xu@xxxxxxxxx>; Matthew Gerlach > > > > > > > <matthew.gerlach@xxxxxxxxxxxxxxx> > > > > > > > Subject: RE: [PATCH v1] uio: dfl: add HSSI feature id > > > > > > > > > > > > > > > On 3/7/22 22:43, Tianfei Zhang wrote: > > > > > > > > > From: Matthew Gerlach <matthew.gerlach@xxxxxxxxxxxxxxx> > > > > > > > > > > > > > > > > > > Add the feature id of the OFS High Speed Serial > > > > > > > > > Interface subsystem to table of ids supported by the uio_dfl > driver. > > > > > > > > > > > > > > > > > > Signed-off-by: Matthew Gerlach > > > > > > > > > <matthew.gerlach@xxxxxxxxxxxxxxx> > > > > > > > > > Signed-off-by: Tianfei Zhang <tianfei.zhang@xxxxxxxxx> > > > > > > > > > > > > > > > > Reviewed-by: Russ Weight <russell.h.weight@xxxxxxxxx> > > > > > > > > > --- > > > > > > > > > drivers/uio/uio_dfl.c | 2 ++ > > > > > > > > > 1 file changed, 2 insertions(+) > > > > > > > > > > > > > > > > > > diff --git a/drivers/uio/uio_dfl.c > > > > > > > > > b/drivers/uio/uio_dfl.c index > > > > > > > > > 89c0fc7b0cbc..660e1d0bf6b9 100644 > > > > > > > > > --- a/drivers/uio/uio_dfl.c > > > > > > > > > +++ b/drivers/uio/uio_dfl.c > > > > > > > > > @@ -45,9 +45,11 @@ static int uio_dfl_probe(struct > > > > > > > > > dfl_device > > > > > > > > > *ddev) } > > > > > > > > > > > > > > > > > > #define FME_FEATURE_ID_ETH_GROUP 0x10 > > > > > > > > > +#define FME_FEATURE_ID_OFS_HSSI 0x15 > > > > > > > > > > > > > > Where is the "OFS" coming from? is it for all OFS device or > > > > > > > a specific > > > card? > > > > > > > Anyway, could we have a matched name per public table? > > > > > > > https://github.com/OPAE/linux-dfl-feature-id/blob/master/dfl > > > > > > > -fea > > > > > > > ture > > > > > > > -ids.rst > > > > > > > > > > > > Yes, I think a matched name of public table will be better. > > > > > > How about the > > " > > > > > > FME_FEATURE_ID_HSSI"? > > > > > > > > > > No. We already have the same name for id 0x6 defined in > > drivers/fpga/dfl.h > > > > > #define FME_FEATURE_ID_HSSI 0x6 > > > > > > > > Is it possible change the "FME_FEATURE_ID_HSSI" to " > > > > FME_FEATURE_ID_LEGACY_HSSI", and the new one is " > > > > FME_FEATURE_ID_HSSI"? > > > > > > I am not sure who owns the ID allocation table, and why > > > 0x6 is changed to "Legacy" HSSI but I feel it's better to have a > > > specific prefix > > for > > > this HSSI instead, I hope we don't have to change this 0x15 HSSI to > > > another legacy one when someone adds a new HSSI. This is for FPGA, > > > everybody could implement his own HSSI, generic name should be avoid > > > when possible, and a better rule when managing the feature IDs. > > > > Yes, I think this HSSI was designed for OFS, using "OFS" as prefix is better. > > Then change the name in > https://github.com/OPAE/linux-dfl-feature-id/blob/master/dfl-feature-ids.rst > as well. Thanks Hao's comment, it has changed to " OFS HSSI Subsystem" in this git repo.